package cn.itcast.bos.web.action;

import java.util.ArrayList;
import java.util.List;

import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;

import org.apache.commons.lang3.StringUtils;
import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.Namespace;
import org.apache.struts2.convention.annotation.ParentPackage;
import org.apache.struts2.convention.annotation.Result;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.stereotype.Controller;

import cn.itcast.bos.domain.base.Area;
import cn.itcast.bos.domain.base.FixedArea;
import cn.itcast.bos.service.FixedAreaService;
import cn.itcast.bos.web.action.common.BaseAction;

@ParentPackage(value="json-default")
@Namespace("/")
@Controller
@Scope("prototype")
public class FixedAreaAction extends BaseAction<FixedArea> {

	@Autowired
	private FixedAreaService fixedAreaService;
	
	
	@Action(value="fixedArea_save",results= {@Result(name="success",type="redirect",location="./pages/base/fixed_area.html")})
	public String save()  {
		fixedAreaService.save(model);
		return SUCCESS;
	}
	
	/**
	 * 没有条件的分页查询
	 */
	@Action(value="fixedArea_pageQuery",results= {@Result(name="success",type="json")})
	public String pageQuery() {
		/**
		 * 有条件查询
		 * 
		 */
		//调用service层,查询返回数据
		Pageable pageable=new PageRequest(page-1, rows);
		//组织查询条件
		Specification<FixedArea> specification=new Specification<FixedArea>() {

			@Override
			public Predicate toPredicate(Root<FixedArea> root, CriteriaQuery<?> query, CriteriaBuilder cb) {
				 Predicate predicate =null;
				List<Predicate> list=new ArrayList<Predicate>();
				//id编号
				if (StringUtils.isNotBlank(model.getId())) {
					Predicate p = cb.like(root.get("id").as(String.class), model.getId());
					list.add(p);
				}
				//所属单位
				if (StringUtils.isNotBlank(model.getCompany())) {
					Predicate p = cb.like(root.get("company").as(String.class), "%"+model.getCompany()+"%");
					list.add(p);
				}
				if (list!=null&&list.size()>0) {
					Predicate [] p=new Predicate[list.size()];
					predicate=cb.and(list.toArray(p));
				}
				return predicate;
			}
		};
		Page<FixedArea> pageData= fixedAreaService.findPageDataFixedArea(specification, pageable);                  
		//返回客户端数据
		pushPageDataToValueStack(pageData);
		return SUCCESS;
	}
	
	
	
	
	
	
	
	
	
	
}
